High pressure fluid in a shell and tube heat exchanger should preferably be routed through the________________?
A. Tubes to avoid the expansion of high pressure shell construction
B. Shell side for smaller total pressure drop
C. Shell side, if the flow is counter-current and tube side if the flow is co-current
D. Shell side for large overall heat transfer co-efficient
A. 1 to 5
B. 10 to 20
C. 30 to 40
D. 40 to 50
Pick out the wrong statement pertaining to the design of a horizontal tube evaporator ?
A. It is unsuitable for concentrating those liquids, which form a scale or deposit salt
B. It is suitable for process, in which the final product is a liquor instead of solid
C. Its usual dimensions are: tube dia = 2-3 cms; evaporator body dia = 1-4 metres and evaporator height = 2.5-4 metres
D. Liquor flows inside the tube, while the steam is outside submerging the tube
A. 1.3 to 2
B. 1.6 to 2
C. 2.5
D. 1.5 to 3
______________ closure is the weakest enclosure for cylindrical vessels?
A. Hemispherical
B. Torispherical
C. Conical or flat plate
D. Elliptical